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Question 1: (2 points) Activity 4-5 in a network diagram has an optimistic time estimate of five days, a most likely time estimate of seven days, and...

Question 1: (2 points)
Activity 4-5 in a network diagram has an optimistic time estimate of five days, a most likely time estimate of seven days, and a pessimistic time estimate of 10 days. Its expected time is approximately:



7

9

6

5

8

Question 2: (2 points)
Activity Start
Node Finish
Node Optimistic Duration (Days)
Most Likely Pessimistic
A 1 2 41 50 59
B 1 3 54 60 66
C 2 4 58 70 82
D 3 4 32 41 44
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What is the probability that this project will be completed within 130 days?



.9987

.8413

.90

.9772

.9544

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